docs: def last_edited_by_column(self, obj):
          """
          Return user who last edited an item in Django admin, where "edited"
          means either created (addition) or modified (change).
          """
          latest_logentry = admin.models.LogEntry.objects.filter(
              object_id=obj.pk,
              content_type_id=self._get_obj_ct(obj).pk,
              action_flag__in=[admin.models.ADDITION, admin.models.CHANGE],
          ).first()
          if latest_logentry:
              return latest_logentry.user
          else:
              return None